A huge iceberg of about 1,270 km² (the city of Rio de Janeiro has 1,255 km²) broke off and detached itself from Antarctica, causing euphoria…
Are we prepared for an impending pandemic? – basic research
From Pedro Lira Akiko Iwasaki, a global reference in immunology, lives for Covid-19 * * In normal times, Akiko Iwasaki addresses a fundamental question: how…
SpaceX’s prototype super rocket flies, lands smoothly … and explodes – Outer Messenger
Another prototype of the Starship vehicle, SpaceX’s SN10, flew in Boca Chica, Texas that Wednesday afternoon (3) and landed smoothly on the platform for the…
Comet fragments could have caused the demise of dinosaurs, study results show
The celestial object that collapsed in the Gulf of Mexico 65 million years ago, ending the rule of the dinosaurs, was likely a fragment of…
According to Inpe, the operation of Amazonia-1 is normal – Messenger Sideral
After a night of disagreement and “radio silence”, Inpe (National Institute for Space Research) held a public demonstration on Wednesday (3) indicating that everything is…
Euler’s beautiful formula – 03/02/2021 – Marcelo Viana
Leonhard Euler (1707 – 1783) wrote about mathematics, physics, astronomy, mechanics, logic, philosophy and music in Latin, German and French. His works were published by…
Satellite trackers suspect Amazon-1 is out of control – Messenger Sideral
In at least two passages, satellite trackers in the USA and Italy, almost seven hours apart, picked up signals from Amazônia-1, a Brazilian satellite that…
Free digital book reveals the beauty of the Brazilian Gran Chaco – Darwin and God
A very pleasant surprise appeared in my message box this Monday morning. I am speaking of the book “Chaco Brasileiro: A Biodiversity Photographic Manifesto” (richly…
Barriers for women in science are concrete, not just a lack of motivation, says physics
According to Marcelle Soares-Santos, astrophysicist and professor at the University of Michigan (USA), there is no need to launch initiatives to attract more women and…
From India, Brazil launches its first earth observation satellite, Amazon-1 – Messenger Sidereal
Brazil already has its first 100% national earth image satellite. Amazonia-1 was launched by an Indian PSLV (Polar Satellite Launcher) rocket in the early hours…